Inventor

Steven E. Howe

Inventor
Richmond, TX, US

Overview

3→
Patents
1991–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 3 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C09Kprimary
C09KMaterials for miscellaneous applications, not provided for elsewhere20%
C10GCracking hydrocarbon oils20%
F16CShafts20%
H02KDynamo-electric machines20%
Y10TTechnical subjects covered by former us classification20%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991Patents assigned to UNION OIL CO (1)· patent assignee history
1991Based in Chino, CA, US· patent location history
2005Patents assigned to ALTECH GENERATING SYSTEMS LLC (1)· patent assignee history
2005Based in Reed City, MI, US· patent location history
2021Patents assigned to CARBO CERAMICS INC (1)· patent assignee history
2021Based in Richmond, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ALTECH GENERATING SYSTEMS LLC12005
CARBO CERAMICS INC12021
UNION OIL CO11991
Locations
LocationPatentsSpan
Richmond, Texas, US12021
Reed City, MI, US12005
Chino, California, US11991